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公开(公告)号：US3973999A
公开(公告)日：1976-08-10
申请号：US595310
申请日：1975-07-11
摘要： A method for producing a high tensile strength and toughness bend pipe in which a heat treatment is done as a pretreatment prior to bending, and a tempering treatment is done, if necessary, after the bending, and the bend pipe produced by the present invention is useful for pipe line construction and shows excellent properties at low temperatures.
摘要翻译： 制造弯曲前的预处理进行热处理的高抗拉强度和韧性弯曲管的方法，如果需要，进行回火处理后的弯曲，本发明制造的弯曲管是 适用于管线施工，在低温下表现出优异的性能。
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公开(公告)号：US3979231A
公开(公告)日：1976-09-07
申请号：US546783
申请日：1975-02-03
IPC分类号： B21C37/08 , B21C37/30 , B21D3/14 , B21D7/16 , B21D9/08 , B21D39/08 , C21D8/10 , C21D9/08 , C21D9/14
摘要： A method for producing a large diameter steel pipe having excellent shape, toughness and tensile strength by subjecting the pipe to descaling and to heat treatment which involves heating the steel pipe locally successively from one end to the other end of the steel pipe in the axial direction and forcedly cooling the pipe, and then expanding the steel pipe after the heat treatment.
摘要翻译： 一种通过对管道进行除鳞和热处理的具有优异的形状，韧性和拉伸强度的大直径钢管的制造方法，该方法涉及从钢管的一端到另一端在轴向上局部连续地加热钢管 并强制冷却管道，然后在热处理后扩大钢管。
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公开(公告)号：US3976514A
公开(公告)日：1976-08-24
申请号：US548617
申请日：1975-02-10
申请人： Kameo Matsukura , Kunio Watanabe , Yoshio Hashimoto , Masatoki Nakayama , Hajime Nakasugi , Tetuo Takeda
发明人： Kameo Matsukura , Kunio Watanabe , Yoshio Hashimoto , Masatoki Nakayama , Hajime Nakasugi , Tetuo Takeda
CPC分类号： C22C38/04 , C21D8/0226
摘要： A method for producing a high tensile strength steel plate which comprises subjecting to a low temperature rolling, a steel composition containing not more than 0.25% of carbon, not more than 0.5% of silicon, 0.5 to 2.0% of manganese, not more than 0.015% of sulfur, 0.005 to 0.1% of aluminum, one or more of niobium, vanadium and titanium in an amount not less than 0.01%, and REM in an amount not less than 1.3 times the amount of sulfur, with optionally one or more of nickel, chromium and copper, with the balance being iron and unavoidable impurities, which steel possesses a low notch toughness transition temperature and high absorbed energy in the notch-impact test, and is suitable in the as rolled condition for use as pipe lines in cold districts.
摘要翻译： 一种高强度钢板的制造方法，其特征在于，在低温轧制下，含有不超过0.25％的碳，不超过0.5％的硅，0.5〜2.0％的锰，不大于0.015 0.1％的硫，0.005〜0.1％的铝，不少于0.01％的铌，钒和钛中的一种或多种，REM量不小于硫的1.3倍，以及任选的一种或多种 镍，铬和铜，余量为铁和不可避免的杂质，该钢在缺口冲击试验中具有较低的缺口韧性转变温度和较高的吸收能，适用于冷轧管线的轧制条件 区。
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公开(公告)号：US3949186A
公开(公告)日：1976-04-06
申请号：US510028
申请日：1974-09-27
申请人： Masatoki Nakayama , Saburo Shikoh , Hiroshi Nohgata , Yasuo Kimiya , Hiroshi Yada , Sin-ichi Nisida , Mikio Ogai
发明人： Masatoki Nakayama , Saburo Shikoh , Hiroshi Nohgata , Yasuo Kimiya , Hiroshi Yada , Sin-ichi Nisida , Mikio Ogai
CPC分类号： B23K26/128 , B23K15/04 , B23K26/0823 , B23K26/12 , B23K26/1224
摘要： A hollow precision-machined body, such as a circular waveguide for transmission of millimeter wavelengths, is welded to a metallic body with minimum distortion of the precision body, by directing a concentrated beam of heat-producing energy such as an electron beam or a laser beam or a plasma across and peripherally about the interface between the precision and metallic bodies to produce a bead whose width at the contact area is related to the clearance between the bead and the inner surface of the precision tube and the maximum allowable strain at the inner face of the precision tube. Alternately, the energy beam is directed along the interface and around the periphery thereof to produce a bead whose depth of penetration is related to the thickness of the precision body and the maximum permissible strain at the inner surface of the precision body.
摘要翻译： 将诸如用于透射毫米波长的圆形波导的中空精密加工体焊接到具有最小精密体变形的金属体上，通过引导诸如电子束或激光器的集中的发热能量束 横梁或等离子体围绕精密和金属体之间的界面横穿和周边，以产生其接触面积的宽度与珠与精密管的内表面之间的间隙以及内部的最大允许应变相关的珠 面对精密管。 或者，能量束沿着界面并围绕其周边引导，以产生其深度穿透深度与精密体的厚度和精密体内表面的最大允许应变相关的珠。
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